5.4×7.8+2.7×4.4怎么简算呀!急
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/22 15:30:17
![5.4×7.8+2.7×4.4怎么简算呀!急](/uploads/image/z/201954-66-4.jpg?t=5.4%C3%977.8%2B2.7%C3%974.4%E6%80%8E%E4%B9%88%E7%AE%80%E7%AE%97%E5%91%80%21%E6%80%A5)
5.4×7.8+2.7×4.4怎么简算呀!急
5.4×7.8+2.7×4.4怎么简算呀!
急
5.4×7.8+2.7×4.4怎么简算呀!急
5.4×7.8+2.7×4.4
=2.7( 2x7.8 +4.4)
=2.7( 15.6+4.4)
=2.7x20
=54
5.4×7.8+2.7×4.4
=2.7×(7.8×2)+2.7×4.4
=2.7×15.6+2.7×4.4
=2.7×(15.6+4.4)
=2.7×20
=54